Give the MCU version and the full build number, preferably take screenshots, you can find it in the settings. According to the current information, it is not possible to determine whether you are in the correct subforum.Hello. Only now I found this firmware and it looks great I have a radio for Mercedes W220, model Erisin ES4509S, it is RK3188. The radio has a lot of normal buttons. Will they work? I read the whole topic and couldn't find an answer.
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Does anyone know where I can find the original firmware for this radio? To possibly go back to the original.
Incorrect - he has an MTCD unit with Android 5 so we know that he IS in the correct forum.